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Finding the Fourth Proportional to 441,174.36, 661,761.66 and 108,750.36

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Solution

The fourth proportional to 441,174.36, 661,761.66 and 108,750.36 is: 163,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,174.36 : 661,761.66 = 108,750.36 : x
  2. Step 2: Convert to fraction form
    441,174.36/661,761.66 = 108,750.36/x
  3. Step 3: Cross multiply
    441,174.36x = 661,761.66 × 108,750.36
  4. Step 4: Simplify right side
    441,174.36x = 71,966,818,759.20
  5. Step 5: Solve for x
    x = 71,966,818,759.20/441,174.36
  6. Step 6: Final answer
    x = 163,125.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.